Around 2300 BC, the Harappans came to Surkotda and built a fortified citadel and residential annexe, made of mud lumps and rubble containing houses with bathrooms and drains.

Some important findings were the, painted pottery with Indus alphabet painted on the pots, chert blades and copper objects, the Harappan seal and a clay linga, terracotta seal, a heavy copper chisel, a hoard of copper beads and bangles besides these animal skeletol remains of the horse, camel, elephant and sheep were also found. The excavations have revealed that the Harappans lived here along with an antecedent culture with all their typical modes of habitation and cultural assemblage.